@misc{havermeyer_neutron_diffraction_1999, 
author={Havermeyer, F.,Rupp, R.A.,Schubert, D.W.,Kraetzig, E.},
title={Neutron diffraction from holographic gratings in PMMA},
year={1999},
howpublished = {conference paper,conference lecture: Budapest (H); 01.-04.09.1999},
note = {Online available at: \url{} (DOI). Havermeyer, F.; Rupp, R.; Schubert, D.; Kraetzig, E.: Neutron diffraction from holographic gratings in PMMA. In: Cser, L.; Grosz, T.; Rosta, L. (Ed.): 2nd European Conference on Neutron Scattering, ECNS 99, Session C 04. Budapest (H). 1999. 95.}}